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Ferroli Optima 701 Installation instructions manual

Other manuals for Optima 701: Installation Instructions Manual
Manual is about: WALL MOUNTED, ROOM SEALED, FAN ASSISTED, GAS COMBINATION BOILER

Summary of Optima 701

  • Page 1

    901 wall mounted, room sealed, fan assisted, gas combination boiler stockton close, minworth industrial park, minworth, sutton coldfield, west midlands b76 8dh tel.: 0121/3523500 - fax 0121/3523510 all specifications subject to change phone numbers: installer service engineer serial no. Ferroli help...

  • Page 2: 901

    901 2 page index 3 general description 3 related documents 4 technical data 5 appliance dimensions 6 boiler flow diagram 7 key of boiler flow diagram 8 installation details 8 location of boiler 8 air supply 10 flue system 10 gas supply 10 water system 12 central heating pump 12 sizing of expansion v...

  • Page 3: 901

    901 3 general description the ferroli 901 is a wall mounted, room sealed, fan assisted, combination boiler for central heating (c.H.) and domestic hot water (d.H.W.). The boiler is of light weight construction and the heat exchanger provides central heating and domestic hot water from an integrally ...

  • Page 4: 901

    901 4 technical data (g20) (g31) nominal heat input d.H.W. & c.H. (gross) 34.8 kw 34.0 kw minimum heat input d.H.W. & c.H. (gross) 15.1 kw 14.8 kw nominal heat input d.H.W. & c.H. (net) 31.3 kw 31.3 kw minimum heat input d.H.W. & c.H. (net) 13.6 kw 13.6 kw nominal heat output d.H.W. & c.H. 27.9 kw 2...

  • Page 5: 901

    901 5 appliance dimensions fig. 1 key 1. Electricity cable entry 2. Gas supply 3. Domestic hot water outlet 4. Domestic cold water inlet 5. Central heating pressure relief valve 6. Central heating flow outlet 7. Central heating return inlet 8. Air intake for two pipe flue systems front view left sid...

  • Page 6: 901

    901 6 boiler flow diagram fig. 2.

  • Page 7: 901

    901 7 key 1. Fixing point 2. Flue terminal 3. Flue/air intake hood 4. Sealing gasket 5. Room sealed compartment 6. Control panel 7. Gas inlet 8. Domestic hot water outlet 9. Cold water inlet 10. Central heating flow outlet 11. Central heating return inlet 12. D.H.W. Draining point 14. Central heatin...

  • Page 8: 901

    901 8 installation details gas safety (installation & use) regulations: 1984 in the interest of safety, it is the law that all gas appliances are installed by a competent person in accordance with the above regulations, building regulations/building standards scotland, codes of practice, current i.E...

  • Page 9: 901

    901 9 terminal position minimum clearance mm notes * access to the front of the boiler must be available for maintenance (min. 600 mm). Fig. 5 fig. 3.

  • Page 10: 901

    901 10 flue system the boiler allows the flue outlet to be taken from the rear of the boiler or from either side. A standard flue length of 0.75 metres is provided. Alternative lengths of two or three metres can be supplied (equivalent to wall thicknesses of up to 565, 1815 and 2815 mm for rear flue...

  • Page 11: 901

    901 11 fig. 7 note: a bypass must be fitted as far as possible from the boiler if thermostatic radiator valves are fitted throughout. Fig. 6 key 1. Filling point c.H. 2. Temporary connection 3. Cold water supply gas cold water additional expansion vessel c.H. (if required) filling point c.H. Bypass.

  • Page 12: 901

    901 12 built-in central heating water circulating pump the pump head available for circulating the water is given in fig. 8. N.B. - the pump is factory set at position 3. The pump is a grundfos type 15-50 ups series. Grunfos pump performance graph note - minimum flow through boiler heat exchanger at...

  • Page 13: 901

    901 13 installation note - to mount the boiler on the wall, a two person lift will be needed. 1.0 unpacking the appliance is delivered in 2 cartons. 1.1 the large carton contains the boiler, and the installation/servicing and users instructions. 1.2 the second carton contains the mounting jig assemb...

  • Page 14: 901

    901 14 important note - always use two spanners to prevent twisting of soft copper pipework on the boiler. Flush out the water system. Note - the maximum inlet cold water pressure must not exceed 10 bar (145 p.S.I.) and a water governor or a pressure reducing valve will be required if the pressure i...

  • Page 15: 901

    901 15 4.0 preparing the flue assembly 4.1 rear flue outlet (fig. 12) important - the aluminium flue pipe must protrude into the outside grill by 60 mm, never cut it to the same length as the plastic air pipe (aluminium flue pipe = plastic air inlet pipe + 70 mm !). Aluminium flue pipe length = plas...

  • Page 16: 901

    901 16 5.0 connecting the boiler 5.1 place the boiler on its back. 5.2 remove the boiler base plate, four screws (fig. 16). Remove the plugs fitted to the boiler water connections. Remove the bag of sealing washers from the boiler pipework. Remove the front panel by gripping on both sides, sliding u...

  • Page 17: 901

    901 17 fixing points lift here fig. 15 fixing screws fig. 16 fig. 17.

  • Page 18: 901

    901 18 external controls: room stat or remote time clock in the place of loop terminals 4 and 5. Please note 24 v only, use only voltage free contacts. Screw blue brown fig. 19 fig. 18 important if 230 v is connected to terminals 4 or 5, damage will be caused to the p.C.B. If in doubt phone 021 313 ...

  • Page 19: 901

    901 19 8.0 commissioning and testing 8.1 filling the central heating system remove the top front panel by gripping both sides and lifting forward away from main boiler assembly. Fig. 20 burner pressure test point automatic air vent vent cap heat exchanger vent pump c.H. Pressure relief valve gas inl...

  • Page 20: 901

    901 20 p + - p auto r override 12:31 x x 4 auto fig. 21 pilot viewing opening c.H. Pressure gauge c.H. Boiler thermostat gas valve control knob c.H./d.H.W. Selector switch time clock 8.5 to light the boiler (fig. 21) a. Open controls panel door. B. Switch on electricity supply. C. Adjust room thermo...

  • Page 21: 901

    901 21 burner pressure c.H. And d.H.W. 8.6 to range rate the boiler c.H. (not required for standard installations) the boiler can be range rated for an output from 11.8 kw up to 27.9 kw. When the boiler is supplied it is factory set at the maximum output 27.9 kw. Procedure a. Release the control pan...

  • Page 22: 901

    901 22 honeywell vr 4605 na 4003 valve with v7335a4014 modureg gas pressure adjustment 1 - with the burner lit: 2 - connect suitable pressure gauge to burner test point "b", and then: 3 - disconnect air pressure compensation tube "h"; 4 - disconnect the wires from coil "c" of the modureg; 5 - remove...

  • Page 23: 901

    901 23 burner perssure c.H. • natural gas • l.P.G. (propane) 5 10 15 20 25 30 35 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 8 kw kcal/h x 1000 mbar 36 fig. 24b - burner pressure vs c.H. Load with natural gas (g20) 1 14 2 3 4 5 6 9 ...

  • Page 24: 901

    901 24 8.7 d.H.W. Burner pressure the domestic hot water burner pressure is not range rateable and not adjustable but the maximum and minimum burner pressure should be checked as follows: a. Check electricity supply is still off. B. Open a d.H.W. Tap at high flow until the water runs cool and leave ...

  • Page 25: 901

    901 25 1.1 use buttons + and - to set 1st on time eg. 6:00 display 2.1 use buttons + and - to set off time, eg. 9:00 display 3.1 use button + and - to set 2nd on time, eg. 12:30 display 4.1 use button + and - to set 2nd off time eg. 14:00 display 5.1 use button + and - to set 3rd on time, eg. 16:00 ...

  • Page 26: 901

    901 26 p1 p2 plate 2 fixing screw 2 fixing screw white silicone tube red silicone tube fig. 45 fig. 46 blue black black 1 2 black dl 1e brown blue 3 3 1 1 2 kromschroder huba 605 2 1 3 brown blue 3 brown kromschroder huba 602 1 2 2 3 huba 605 huba 602 2 3 1 air pressure switch over ride by pressing ...

  • Page 27: 901

    901 27 spare parts list item no.G.C. Part no.Makers part nono. Offdescription 14 386816 800130 1 c.H. Safety valve 16 - 803860 1 fan 21 - - 1 injector manifold (natural gas) 21 - - 1 injector manifold (l.P.G.) 23 - 801490 1 thermocouple 24 - 801090 1 spark electrode 25 - 801510 1 pilot 32 - 800620 1...

  • Page 28: 901

    901 28 domestic hot water performance fig. 1 - d.H.W. Pressure drop vs. Flow a = standard with cold water flow restricter b = cold water flow restricter removed fig. 2 fig. 2 - d.H.W. Temperature vs. Flow a = cold water 15 ° c b = cold water 5 ° c fig. 1 90 80 70 60 50 40 30 20 10 0 1 2 3 4 5 6 7 8 ...

  • Page 29: 901

    901 29 short circuit 12-13 - boiler starts for c.H. - waiting time is excluded - max burner pressure c.H. Can be chedked/set with p1 a d.H.W. Flow- switch (on-off) can be connected to terminals 1 and 3 connector x2 connector x3 connector x7 1-2 = 230 v n 1 2 l 24 5 43 16 51 72 24v m 2 1 5 4 3 4 2 d ...

  • Page 30: 901

    901 30 general notes - for use on the 901 fitted with vmf7 printed circuit board *the pilot light can only be ignited after the fan (16) has run for at least 20 seconds on full speed. *the central heating pump (32) will run to disperse heat if the temperature at the heat exchanger limit thermostat (...

  • Page 31: 901

    901 31 special installation possibilities: two-pipe air intake/flue outlet special air intake/flue outlet the standard flue/air intake hood on top of the boiler can be replaced by a special two pipe flue adapter. Øi92 Øi82 120 242 126.5 235 160 157 480 2 1 = special two pipe flue adapter 823071 = re...

  • Page 32

    Stockton close, minworth industrial park, minworth, sutton coldfield, west midlands b76 8dh tel.: 0121/3523500 - fax 0121/3523510 all specifications subject to change cod. 3540248/2 - 04/98 phone numbers: installer service engineer because of our constant endeavour for improvement details may vary s...